LAKE ZURICH, Ill. (WLS) -- A Lake Zurich High School student is in custody after allegedly posting a social media threat that put the school on hard lockdown Wednesday afternoon.
In a statement, school officials said the student posted an "immediate threat" that indicated an act of violence was "imminent" at the school. No injuries were reported.
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The school said it immediately went into a hard lockdown and 911 was called. Police took the student into custody and conducted a sweep outside the building.
The school was placed in soft lockdown for the remainder of the day and students were dismissed on time.
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May Whitney Elementary School was also placed on hard lockdown for a short period of time due to its proximity.
Lake Zurich school officials said they will be providing a plan to support students upset by the day's events.